Model 974 Control Interface The Model 974 allows the 903i Comparator to control product selection on Audio Authority Access™ Demonstration Systems. The Model 903i Comparator is a ® 10 inch capacative touchscreen that connects to any Access switching system. MODEL 974...
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Installation 1. Connect the 4-pin System Bus header on the 974 to the Access system bus at any vacant connector. The system bus wiring is color coded as yellow, red, blue, black (see connection diagram below). 2. Connect the USB mini to the 903i USB port (see connection diagram below). Securely mount the Model 974. Connect Power and bottom cover. CONNECT TO SYSTEM BUS CABLE SYSTEM BUS PORT MODEL 974 CONNECT TO 903i USB PORT 903i BACK PANEL (see 903i manual) 974 connection diagram.
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